c79642fa98
There are actually cases where you do not want to access the original ID pointers, even though the callback will not modify them. One example is the incoming generic 'expand' readfile callback, which will replace the dedicated one for all ID types. Related to #105134: Removal of readfile's lib_link & expand code.
Blender
Blender is the free and open source 3D creation suite. It supports the entirety of the 3D pipeline-modeling, rigging, animation, simulation, rendering, compositing, motion tracking and video editing.
Project Pages
Development
License
Blender as a whole is licensed under the GNU General Public License, Version 3. Individual files may have a different, but compatible license.
See blender.org/about/license for details.